MICROANATOMY

MUSCLE NERVE CARTILAGE BONE

BONE STRUCTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is canaliculi?
A
mature bone cell
B
bone tissue
C
dense fibrous membrane covering the surface of bones
D
tiny canals that link osteocytes
E
small cavities in bone that contain osteocytes
Explanation: 

Detailed explanation-1: -Answer and Explanation: The canals that connect osteocytes in their lacunae are called canaliculi. These tiny tunnels allow the osteocytes to exchange oxygen, nutrients, and waste products with the blood supply located in the central vein so the cells don’t die.

Detailed explanation-2: -Compact Bone Between the rings of matrix, the bone cells (osteocytes) are located in spaces called lacunae. Small channels (canaliculi) radiate from the lacunae to the osteonic (haversian) canal to provide passageways through the hard matrix.

Detailed explanation-3: -Canaliculi are the narrow microscopic canals that are found in between the lacunae of the bone cells. The function of the canaliculi is to supply the nutrients to the bone cells, to remove the bone cell waste, and also aid in communication between the bone cells.

Detailed explanation-4: -During bone formation osteocytes get connected with each other via a dense network of canaliculi within the mineralized bone matrix. Important functions attributed to the osteocyte network include the control of bone remodeling and a contribution to mineral homeostasis.

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